"Horrified by news of #LasVegas massacre," Republican Rep. Adam Kinzinger posted. "Mourning the innocent lives taken by pure evil - praying for their families & for the injured." Meanwhile, Trump press secretary Sarah Huckabee Sanders said during Monday's briefing that "there's a time and place for a political debate, but now is the time to unite as a country.”

Adam Kinzinger is a member of the Air National Guard. Use of his military rank, job titles, and photographs in uniform does not imply endorsement by the Department of the Air Force or the Department of Defense.